:root {
  --red: #e81010;
  --black: #050505;
  --graphite: #151515;
  --graphite-2: #202124;
  --white: #ffffff;
  --light: #f4f5f6;
  --muted: #c9cbd0;
  --ink: #121318;
  --line: rgba(255, 255, 255, 0.14);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--white);
  background:
    radial-gradient(circle at 78% 8%, rgba(232, 16, 16, 0.16), transparent 28rem),
    linear-gradient(180deg, #090909 0%, #171717 48%, #080808 100%);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 22px 0 10px;
}

.brand-link img,
.site-footer img {
  display: block;
  width: min(255px, 58vw);
  height: auto;
}

.landing-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  color: #e7e8ea;
  font-size: 0.92rem;
  font-weight: 800;
}

.landing-nav a {
  opacity: 0.88;
}

.landing-nav a:hover,
.landing-nav a:focus-visible {
  opacity: 1;
}

.nav-cta {
  padding: 10px 14px;
  border: 1px solid rgba(232, 16, 16, 0.62);
  border-radius: 8px;
  background: rgba(232, 16, 16, 0.15);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 430px);
  align-items: center;
  gap: clamp(30px, 7vw, 82px);
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: clamp(54px, 8vh, 88px) 0 70px;
}

.hero-copy h1 {
  max-width: 780px;
  margin: 0;
  color: var(--white);
  font-size: clamp(3.1rem, 8vw, 6.6rem);
  font-weight: 950;
  letter-spacing: 0;
  line-height: 0.92;
}

.hero-copy p {
  max-width: 650px;
  margin: 26px 0 0;
  color: #dcdee2;
  font-size: clamp(1.08rem, 2vw, 1.36rem);
}

.hero-actions,
.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 13px 18px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 950;
}

.btn.primary {
  color: #fff;
  background: var(--red);
  box-shadow: 0 12px 30px rgba(232, 16, 16, 0.24);
}

.btn.secondary {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.08);
}

.trust-row span {
  padding: 8px 0;
  color: #f3f4f5;
  font-size: 0.9rem;
  font-weight: 850;
}

.trust-row span + span::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin: 0 12px 2px 0;
  border-radius: 50%;
  background: var(--red);
}

.phone-wrap {
  display: flex;
  justify-content: center;
}

.phone {
  width: min(100%, 356px);
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 34px;
  background: linear-gradient(145deg, #050505, #202124);
  box-shadow: var(--shadow);
}

.phone-bar {
  width: 92px;
  height: 5px;
  margin: 6px auto 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.26);
}

.phone-screen {
  overflow: hidden;
  min-height: 560px;
  padding: 20px;
  border-radius: 24px;
  background: #f5f6f7;
  color: var(--ink);
}

.preview-top,
.preview-player,
.preview-impact,
.mini-card {
  border: 1px solid #dadde2;
  border-radius: 8px;
  background: #fff;
}

.preview-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px;
  font-weight: 950;
}

.preview-top strong {
  color: var(--red);
}

.preview-player {
  margin-top: 12px;
  padding: 14px;
  border-left: 5px solid var(--red);
}

.preview-player strong,
.preview-player span,
.preview-impact span,
.preview-impact small {
  display: block;
}

.preview-player span {
  margin-top: 4px;
  color: #59616c;
  font-weight: 800;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.preview-grid button {
  min-height: 72px;
  border: 0;
  border-radius: 8px;
  color: white;
  background: #191b1f;
  box-shadow: inset 4px 0 0 var(--red);
  font: inherit;
  font-weight: 950;
}

.preview-grid button:nth-child(1),
.preview-grid button:nth-child(2),
.preview-grid button:nth-child(3) {
  box-shadow: inset 4px 0 0 #0c7a3c;
}

.preview-grid button:nth-child(4),
.preview-grid button:nth-child(6) {
  box-shadow: inset 4px 0 0 #265f6b;
}

.preview-impact {
  margin-top: 18px;
  padding: 18px;
  text-align: center;
}

.preview-impact span {
  color: #59616c;
  font-size: 0.78rem;
  font-weight: 950;
  text-transform: uppercase;
}

.preview-impact strong {
  display: block;
  margin-top: 4px;
  color: var(--red);
  font-size: 4rem;
  line-height: 0.9;
}

.preview-impact small {
  margin-top: 7px;
  color: #59616c;
  font-weight: 850;
  text-transform: uppercase;
}

.section {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto 24px;
  padding: clamp(34px, 6vw, 66px);
  border-radius: 12px;
}

.section.light {
  color: var(--ink);
  background: var(--light);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(260px, 0.65fr);
  gap: 28px;
  align-items: end;
}

.section h2 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 950;
  line-height: 0.98;
}

.section p {
  margin: 0;
  color: #555d67;
  font-size: 1.06rem;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.feature-list article {
  min-height: 230px;
  padding: 22px;
  border: 1px solid #dfe2e6;
  border-radius: 8px;
  background: #fff;
}

.feature-number {
  color: var(--red);
  font-size: 0.82rem;
  font-weight: 950;
}

.feature-list h3 {
  margin: 30px 0 10px;
  font-size: 1.45rem;
  line-height: 1.05;
}

.dark-split {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(280px, 0.7fr);
  gap: clamp(28px, 6vw, 70px);
  align-items: center;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, #111, #1b1c1f);
}

.dark-split p {
  max-width: 620px;
  margin-top: 18px;
  color: #d9dbe0;
}

.text-link {
  display: inline-flex;
  margin-top: 24px;
  color: #fff;
  font-weight: 950;
  text-decoration: underline;
  text-decoration-color: var(--red);
  text-underline-offset: 6px;
}

.team-panel {
  display: grid;
  gap: 12px;
}

.mini-card {
  padding: 16px;
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.mini-card span,
.mini-card small {
  display: block;
  color: #c7cbd1;
  font-weight: 850;
}

.mini-card span {
  color: #fff;
  font-size: 0.78rem;
  text-transform: uppercase;
}

.mini-card strong {
  display: block;
  margin-top: 8px;
  font-size: 1.25rem;
  line-height: 1.1;
}

.mini-card small {
  margin-top: 8px;
}

.install-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.install-section p {
  max-width: 720px;
  margin-top: 14px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 46px;
  color: #cfd2d6;
  font-weight: 800;
}

@media (max-width: 820px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .landing-nav {
    width: 100%;
    justify-content: space-between;
    gap: 8px;
    font-size: 0.82rem;
  }

  .hero,
  .section-heading,
  .dark-split,
  .feature-list {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 34px;
  }

  .phone {
    width: min(100%, 334px);
  }

  .phone-screen {
    min-height: 500px;
  }

  .section {
    padding: 28px 18px;
  }

  .feature-list article {
    min-height: auto;
  }

  .install-section,
  .site-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .install-section .btn {
    width: 100%;
  }
}

@media (max-width: 440px) {
  .landing-nav a:not(.nav-cta) {
    display: none;
  }

  .landing-nav {
    justify-content: flex-start;
  }

  .nav-cta {
    width: 100%;
    text-align: center;
  }

  .hero-copy h1 {
    font-size: 3rem;
  }
}